body {
    margin: 0;
    padding: 0;
}

.company_icon, .x-grid-tree-node-expanded .company_icon {
    background: url("../images/company_icon.png") no-repeat;
}

.div_icon, .x-grid-tree-node-expanded .div_icon {
    background: url("../images/div_icon.png") no-repeat;
}

.proj_icon, .x-grid-tree-node-expanded .proj_icon {
    background: url("../images/proj_icon.png") no-repeat;
}

.emp_icon, .x-grid-tree-node-expanded .emp_icon {
    background: url("../images/emp_icon.png") no-repeat;
}

.add_icon {
    background: url("../images/add_icon.png") no-repeat;
}

.mod_icon {
    background: url("../images/mod_icon.png") no-repeat;
}

.del_icon {
    background: url("../images/del_icon.png") no-repeat;
}